Note 11 - Stockholders' Equity and Convertible Preferred Stock (Details Textual) - USD ($)
|
|
|
|
|
|
|
|
|
|
|
|
1 Months Ended |
3 Months Ended |
6 Months Ended |
12 Months Ended |
|
|
|
May 22, 2026 |
Mar. 04, 2026 |
Jan. 09, 2026 |
Jan. 01, 2026 |
Dec. 11, 2025 |
Dec. 10, 2025 |
Dec. 01, 2025 |
Mar. 11, 2025 |
Feb. 18, 2025 |
Feb. 12, 2025 |
Feb. 10, 2025 |
Sep. 30, 2013 |
Jun. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Jun. 30, 2025 |
Mar. 31, 2025 |
Jun. 30, 2026 |
Jun. 30, 2025 |
Dec. 31, 2025 |
Jan. 16, 2026 |
Oct. 07, 2022 |
Nov. 22, 2013 |
| Common Stock, Shares, Issued (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
24,243,646
|
16,067,435
|
|
|
|
24,243,646
|
|
16,067,435
|
|
|
|
| Common Stock, Shares, Outstanding (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
24,243,646
|
16,067,435
|
|
|
|
24,243,646
|
|
16,067,435
|
|
|
|
| Proceeds from Issuance or Sale of Equity |
|
|
|
|
|
|
|
|
|
|
$ 13,500,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Value, New Issues |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 13,517,000
|
|
|
|
|
| Proceeds from Warrant Exercises |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0
|
2,339,000
|
|
|
|
|
| Class of Warrant or Right, Exercised (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
(1,548,453)
|
|
|
|
|
|
| Deemed Dividends |
|
|
|
|
|
|
|
|
|
|
|
|
$ 425,000
|
|
|
$ (0)
|
|
$ 425,000
|
(0)
|
|
|
|
|
| Preferred Stock, Par or Stated Value Per Share (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.0001
|
$ 0.0001
|
|
|
|
$ 0.0001
|
|
$ 0.0001
|
|
|
|
| Preferred Stock, Shares Authorized (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
50,000,000
|
50,000,000
|
|
|
|
50,000,000
|
|
50,000,000
|
|
|
|
| Dividends |
|
|
|
|
|
|
|
|
|
|
|
|
$ 9,000,000
|
|
|
|
|
$ 9,000,000
|
7,080,000
|
$ 22,200,000
|
|
|
|
| Payments of Dividends |
|
|
|
|
|
|
|
|
|
|
|
|
8,900,000
|
|
$ 4,900,000
|
7,000,000
|
|
19,039,000
|
7,080,000
|
|
|
|
|
| Dividends Payable |
|
|
|
|
|
|
|
|
|
|
|
|
296,000
|
$ 10,335,000
|
|
|
|
$ 296,000
|
|
$ 10,335,000
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Gross (in shares) |
|
|
|
|
|
|
50,000
|
|
|
|
5,000,000
|
|
|
|
|
|
|
0
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Grant Date Fair Value |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 146,000
|
|
|
|
|
|
| Net Income (Loss) Attributable to Noncontrolling Interest |
|
|
|
|
|
|
|
|
|
|
|
|
$ 128,000
|
|
|
1,050,000
|
|
150,000
|
1,050,000
|
|
|
|
|
| Payments to Noncontrolling Interests |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 100,000
|
(0)
|
|
|
|
|
| AV Manager and AV Investment Manager [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Subsidiary, Ownership Percentage, Parent |
|
|
|
|
|
|
|
|
|
|
|
|
90.00%
|
|
|
|
|
90.00%
|
|
|
|
|
|
| Subsidiary, Ownership Percentage, Noncontrolling Owner |
|
|
|
|
|
|
|
|
|
|
|
|
10.00%
|
|
|
|
|
10.00%
|
|
|
|
|
|
| Accounts Payable |
|
|
|
|
|
|
|
|
|
|
|
|
$ 50,000
|
|
|
|
|
$ 50,000
|
|
|
|
|
|
| American VO IM LLC [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Subsidiary, Ownership Percentage, Parent |
|
|
|
|
|
|
|
|
|
|
|
|
65.00%
|
|
|
|
|
65.00%
|
|
|
65.00%
|
|
|
| Subsidiary, Ownership Percentage, Noncontrolling Owner |
|
|
|
|
|
|
|
|
|
|
|
|
35.00%
|
|
|
|
|
35.00%
|
|
|
|
|
|
| American VO Manager LLC [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Subsidiary, Ownership Percentage, Parent |
|
|
|
|
|
|
|
|
|
|
|
|
65.00%
|
|
|
|
|
65.00%
|
|
|
65.00%
|
|
|
| Subsidiary, Ownership Percentage, Noncontrolling Owner |
|
|
|
|
|
|
|
|
|
|
|
|
35.00%
|
|
|
|
|
35.00%
|
|
|
|
|
|
| Noncontrolling Interests [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Accounts Payable |
|
|
|
|
|
|
|
|
|
|
|
|
$ 20,000
|
|
|
|
|
$ 20,000
|
|
|
|
|
|
| Restricted Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) |
|
|
75,000
|
|
80,000
|
316,346
|
|
|
|
|
50,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value |
|
|
$ 320,000
|
|
$ 381,000
|
$ 1,300,000
|
|
|
|
|
$ 308,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period (Year) |
|
|
|
|
1 year
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Payment Arrangement, Expense |
|
|
|
|
|
|
|
|
|
|
|
|
$ 502,000
|
|
|
12,000
|
|
$ 19,700,000
|
7,700,000
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
396,346
|
396,346
|
|
|
|
396,346
|
|
396,346
|
|
|
|
| Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount |
|
|
|
|
|
|
|
|
|
|
|
|
$ 676,000
|
|
|
|
|
$ 676,000
|
|
|
|
|
|
| Restricted Stock [Member] | Messrs [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Non-Option Equity Instruments, Granted (in shares) |
|
3,000,000
|
|
|
|
|
|
154,559
|
|
500,000
|
351,851
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Grant Date Fair Value |
|
$ 18,400,000
|
|
|
|
|
|
$ 1,700,000
|
|
$ 3,400,000
|
$ 2,100,000
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Payment Arrangement, Option [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Payment Arrangement, Expense |
|
|
|
|
|
|
|
|
|
|
|
|
$ 24,000
|
|
|
26,200,000
|
|
61,000
|
$ 33,900,000
|
|
|
|
|
| Share-Based Payment Arrangement, Plan Modification, Incremental Cost |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 26,100,000
|
|
|
|
|
|
|
|
| The 2022 Plan [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Authorized (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,100,000
|
|
| S 2025 Q1 Dividends [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.32
|
|
|
|
|
|
|
| Dividends Payable, Date to be Paid |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Mar. 03, 2025
|
|
|
|
|
|
|
| Dividends Payable, Date of Record |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Feb. 24, 2025
|
|
|
|
|
|
|
| S 2025 Q3 Dividends [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.22
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date to be Paid |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sep. 26, 2025
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date of Record |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Sep. 03, 2025
|
|
|
|
|
|
|
|
|
| S 2025 Q4 Dividends [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.432
|
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date to be Paid |
|
|
|
|
|
|
|
|
|
|
|
|
|
Jan. 26, 2026
|
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date of Record |
|
|
|
|
|
|
|
|
|
|
|
|
|
Jan. 05, 2026
|
|
|
|
|
|
|
|
|
|
| Dividends |
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 10,300,000
|
|
|
|
|
|
|
|
|
|
| Payments of Dividends |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 10,100,000
|
|
|
|
|
|
| S 2026 Q2 Dividends [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Dividends, Per Share, Declared (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.3106
|
|
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date to be Paid |
|
|
|
|
|
|
|
|
|
|
|
|
May 29, 2026
|
|
|
|
|
|
|
|
|
|
|
| Dividends Payable, Date of Record |
|
|
|
|
|
|
|
|
|
|
|
|
May 15, 2026
|
|
|
|
|
|
|
|
|
|
|
| Existing Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued, Shares, Warrant Exercises (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
75,000
|
|
|
|
|
|
| Proceeds from Warrant Exercises |
|
|
|
$ 300,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Option A Series B Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |
$ 2.5
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued, Shares, Warrant Exercises (in shares) |
1,423,453
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Proceeds from Warrant Exercises |
$ 3,700,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Option B Series B Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued, Shares, Warrant Exercises (in shares) |
156,412
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Class of Warrant or Right, Exercised (in shares) |
521,385
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Deemed Dividends |
$ 425,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Registered Direct Offering [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Equity Agreement, Number of Securities Available (in shares) |
|
|
|
|
|
|
|
|
|
|
1,439,467
|
|
|
|
|
|
|
|
|
|
|
|
|
| Shares Issued, Price Per Share (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
$ 3.47
|
|
|
|
|
|
|
|
|
|
|
|
|
| Private Placement [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Shares Issued, Price Per Share (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
$ 3.47
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) |
|
|
|
|
|
|
|
|
|
|
2,436,587
|
|
|
|
|
|
|
|
|
|
|
|
|
| Private Placement [Member] | Series A Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
$ 3.72
|
|
|
|
|
|
|
|
|
|
|
|
|
| Warrants and Rights Outstanding, Term (Year) |
|
|
|
|
|
|
|
|
|
|
5 years
|
|
|
|
|
|
|
|
|
|
|
|
|
| Private Placement [Member] | Series B Warrants [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Class of Warrant or Right, Exercise Price of Warrants or Rights (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
$ 4.22
|
|
|
|
|
|
|
|
|
|
|
|
|
| Warrants and Rights Outstanding, Term (Year) |
|
|
|
|
|
|
|
|
|
|
5 years
|
|
|
|
|
|
|
|
|
|
|
|
|
| Advisory Agreements [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Capital Shares Reserved for Future Issuance (in shares) |
|
|
|
|
|
|
|
|
850,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) |
|
|
|
|
|
|
|
|
2,550,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Value, New Issues |
|
|
|
|
|
|
|
|
$ 20,900,000
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Shares Subject to Forfeiture Through September 30, 2026 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Capital Shares Reserved for Future Issuance (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
316,346
|
|
|
|
|
316,346
|
|
|
|
|
|
| Shares Subject to Forfeiture Through December 11, 2026 [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Common Stock, Capital Shares Reserved for Future Issuance (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
80,000
|
|
|
|
|
80,000
|
|
|
|
|
|
| Convertible Series D Preferred Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Stock Issued During Period, Shares, New Issues (in shares) |
|
|
|
|
|
|
|
|
|
|
|
1,379,685
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred Stock, Par or Stated Value Per Share (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
$ 0.0001
|
|
|
|
|
|
|
|
|
|
|
|
| Convertible Preferred Stock, Shares Issued upon Conversion, Numerator (in shares) |
|
|
|
|
|
|
|
|
|
|
|
10
|
|
|
|
|
|
|
|
|
|
|
|
| Convertible Preferred Stock, Shares Issued upon Conversion, Denominator (in shares) |
|
|
|
|
|
|
|
|
|
|
|
1,373
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred Stock, Shares Authorized (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
5,000,000
|
5,000,000
|
|
|
|
5,000,000
|
|
5,000,000
|
|
|
|
| Preferred Stock, Shares Issued (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
3,825
|
3,825
|
|
|
|
3,825
|
|
3,825
|
|
|
|
| Preferred Stock, Shares Outstanding (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
3,825
|
3,825
|
|
|
|
3,825
|
|
3,825
|
|
|
|
| Convertible Series D-1 Preferred Stock [Member] |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| Preferred Stock, Par or Stated Value Per Share (in dollars per share) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
$ 0.0001
|
| Convertible Preferred Stock, Shares Issued upon Conversion, Numerator (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
10
|
| Convertible Preferred Stock, Shares Issued upon Conversion, Denominator (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
1,373
|
| Preferred Stock, Shares Authorized (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
5,000,000
|
5,000,000
|
|
|
|
5,000,000
|
|
5,000,000
|
|
|
|
| Preferred Stock, Shares Issued (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
834
|
834
|
|
|
|
834
|
|
834
|
|
|
|
| Preferred Stock, Shares Outstanding (in shares) |
|
|
|
|
|
|
|
|
|
|
|
|
834
|
834
|
|
|
|
834
|
|
834
|
|
|
|